DNS spoofing tricks a resolver into catching a fake answer, silently redirecting anyone who asks. Here's exactly how cache poisoning works, from the original 16-bit flaw to the Kaminsky attack, and how to stop it.
Every DNS firewall claims to "block malicious domains in real time." RPZ is the actual mechanism that makes that possible. Here's exactly how Response Policy Zones work, how they're built, and why they're the quiet engine behind almost every modern DNS security product.
Clicking through a DNS console to update a blocklist doesn't scale past your first ten sites. Here's how to manage DNS security policy as code, with Terraform, version control, drift detection, and CI/CD, without breaking production.
DNS is the layer attackers count on you ignoring. Here are 15 practical, field tested DNS security best practices enterprise teams can deploy today, without breaking the network.
DNS tunneling turns your busiest, least watched protocol into a covert channel for data theft and command and control. Here's exactly how it works, the tools attackers use, and how to catch it before it costs you.
A comprehensive guide to how Protective DNS works, what it blocks, and how to deploy it effectively.
DNS Over HTTPS encrypts DNS queries so ISPs and network operators can't see your domain lookups. Learn how DoH works, why it matters, deployment challenges, and how it compares to DoT and DoQ.
A DNS firewall stops threats before a single packet reaches your network. Here's exactly how DNS firewalls work, what they block, and how to deploy one without slowing your team down.
DNS filtering blocks malicious domains before a connection ever forms. Here's exactly how it stops phishing and malware, how it's built, and how to deploy it right.
A comprehensive guide to understanding Domain Name System Security Extensions (DNSSEC), how the chain of trust works, and why it is essential for modern cybersecurity.
DNS is the layer every attacker must touch and almost nobody watches. Here's what DNS security means, how attacks exploit it, and how to close the gap — without slowing your team down.
DNS is the internet's address book — it turns human-friendly names into the numeric IP addresses computers use to find each other. Here's how it works, step by step, and why it's also one of the most underrated security layers on the internet.